Moyo, Dennis Simbarashe; Mapossa, António Benjamim; Rademeyer, Melanie; Van der Merwe, E.M. (Elizabet Margaretha); Focke, Walter Wilhelm(Elsevier, 2022-12)
Moyo, Dennis Simbarashe; Van der Merwe, E.M. (Elizabet Margaretha); Rademeyer, Melanie; Malan, F.P. (Frederick); Atanasova, Maria T.; Mapossa, António Benjamim; Focke, Walter Wilhelm(Springer, 2023-07)
Kruger, Taneshka; Sibanda, Mthokozisi Mayibongwe; Focke, Walter Wilhelm; Bornman, Maria S. (Riana); De Jager, Christiaan(SpringerOpen Journal, 2015-12)